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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9852) UGI login user keytab and principal should not be static
Date Thu, 03 Jul 2014 05:29:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated HADOOP-9852:
-------------------------------------

    Target Version/s: 2.6.0  (was: 3.0.0, 2.5.0)

> UGI login user keytab and principal should not be static
> --------------------------------------------------------
>
>                 Key: HADOOP-9852
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9852
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-9852.patch
>
>
> The static keytab and principal for the login user is problematic.  The login conf explicitly
references these statics.  As a result, loginUserFromKeytabAndReturnUGI is unnecessarily synch'ed
on the class to swap out the login user's keytab and principal, login, then restore the keytab/principal.
 This method's synch blocks further de-synching of other methods.



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